function setHomePage(){
	var url = location.href;
	if (document.all){
	document.body.style.behavior='url(#default#homepage)';
	document.body.setHomePage(url);
	}else if (window.sidebar){
	if(window.netscape){
	try{
	netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
	}catch (e){
	alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" );
	}
	}
	var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
	prefs.setCharPref('browser.startup.homepage',url);
	}
} 

function addFavorite(){
var url = location.href;
var title = document.title;
if(document.all){
window.external.addFavorite(url,title);
}else{
if(window.sidebar){
window.sidebar.addPanel(title,url,"");
}else{
//alert('您的浏览器暂不支持此功能。');
}
}
} 